Glyceryl Stearate SE (self-emulsifying as it contains a small amount 3-6% of potassium stearate) is the monoester of glycerin and stearic acid. Vegetable origin. HLB value of 5-8 (creates water-in-oil emulsions). Emulsifies water and oil phase. Can also be used as a co-emulsifier. Acts as stabilizer and thickener in o/w formulations. Widely used in a variety of different cosmetic formulations.